It was not so long ago that malware authors, much like software developers, were concerned about the size of their code, aiming to keep it as small and compact as possible. Small binaries are less noticeable and can be slipped inside other files or shipped in benign code, attachments, and images. Smaller executables take up less space on disk, are faster to transfer over the wire, and, if written efficiently, can execute their malicious instructions with less tax on the host CPU. In days of s
